1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#ifndef NDB_CONDITION_H
#define NDB_CONDITION_H
#include "NdbMutex.h"
#ifdef __cplusplus
extern "C" {
#endif
struct NdbCondition;
/**
* Create a condition
*
* returnvalue: pointer to the condition structure
*/
struct NdbCondition* NdbCondition_Create(void);
/**
* Wait for a condition, allows a thread to wait for
* a condition and atomically releases the associated mutex.
*
* p_cond: pointer to the condition structure
* p_mutex: pointer to the mutex structure
* returnvalue: 0 = succeeded, 1 = failed
*/
int NdbCondition_Wait(struct NdbCondition* p_cond,
NdbMutex* p_mutex);
/*
* Wait for a condition with timeout, allows a thread to
* wait for a condition and atomically releases the associated mutex.
*
* @param p_cond - pointer to the condition structure
* @param p_mutex - pointer to the mutex structure
* @param msec - Wait for msec milli seconds the most
* @return 0 = succeeded, 1 = failed
* @
*/
int
NdbCondition_WaitTimeout(struct NdbCondition* p_cond,
NdbMutex* p_mutex,
int msec);
/**
* Signal a condition
*
* p_cond: pointer to the condition structure
* returnvalue: 0 = succeeded, 1 = failed
*/
int NdbCondition_Signal(struct NdbCondition* p_cond);
/**
* Broadcast a condition
*
* p_cond: pointer to the condition structure
* returnvalue: 0 = succeeded, 1 = failed
*/
int NdbCondition_Broadcast(struct NdbCondition* p_cond);
/**
* Destroy a condition
*
* p_cond: pointer to the condition structure
* returnvalue: 0 = succeeded, 1 = failed
*/
int NdbCondition_Destroy(struct NdbCondition* p_cond);
#ifdef __cplusplus
}
#endif
#endif
|
